Mike Huckabee is putting on weight, literally as well as politically, and the former Arkansas governor is now registered to vote in Florida, which offers some advantages to the man who may be the GOP's best shot at grabbing the White House in 2010. In a New Yorker profile, Ariel Levy catches up with Huckabee in Israel, where the former preacher and '50s crooner Pat Boone were leading a group of evangelicals on a tour of Christian holy sites. Some highlights: